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Smart Car Key Security Features Smart keys communicate with your vehicle all the time, whether it's in your pocket or on your desk. They communicate by using radiofrequency signals. When the smart key is in distance, the computer in your car is able to recognize and verify the rolling code projected from the fob on the key before beginning the engine. This helps to deter thieves. Security Many drivers aren't keen to give control of their vehicle to a digital fob on smartphones. Security is among the main concerns. The good news is that a smart car key has many of the same security features as a traditional fob. Smart keys lock and unlock the doors through fingerprint recognition. To utilize the feature, the driver has to place a finger on the sensor near the door handle or lock button (depending on the configuration of the vehicle). This is similar to how a tablet or smartphone with an embedded fingerprint scanner works. Another way that smart keys keep cars safe is by not sending the same frequency signal repeatedly again. If a fob sent an individual signal each time it unlocked or opened the trunk remotely, this would enable tech-savvy thieves wire cars to drive them away. Smart keys emit a unique signal every time a trunk or door is opened remotely. Smart keys can also help in preventing theft of cars at gas stations and other parking spaces. This is because they transmit a low-frequency signal which can be detected by a nearby smart key, but not by people or objects that are not within the vehicle. The signal can only be detected within 10 cm of the smart key, meaning it is impossible for anyone to steal your car by picking up a signal from a nearby fob. Convenience Smart keys will no longer require you to dig through your pockets to find a key, or lock the car with remote. Instead, tap your phone's app to unlock the car or start the engine, and then drive away! Contrary to traditional key fobs which transmit a low-power signal smart keys communicate with your vehicle using radiofrequency signals. The key fob has an encrypted chip that the antenna inside your car recognizes. Once you're within proximity to your car it will unlock the doors and/or begin the engine. Some smart keys can also store settings for the steering wheel, mirrors, and seats. You can then set them by pressing a single button. This feature is becoming more popular and a rising number of manufacturers are introducing it to their vehicles. The market for automotive smart keys is growing due to the increasing demand for security and safety features. These features help reduce the wear and tear on the ignition system of a vehicle and ensure that only the driver has the ability to start or stop the engine. Furthermore, smart keys also notify the driver if the battery is not fully charged and make it harder for thieves to steal the vehicle. Certain systems allow you to open the door remotely if the battery in your smart key goes out. However, it's best to have a spare mechanical key hidden in your wallet or somewhere else secure. Autonomy Rather than a key fob that has to be carried in the pocket of the driver to open or start a car, some smart key systems operate when the door handle or the trunk release button is hit. These systems can also be activated if a sensor detects a driver's proximity. The idea is to make it unnecessary to press a key fob button while driving, so that drivers can concentrate on driving safely and securely. The technology is already available in a few luxury cars and is growing in popularity among automakers of all kinds who are working to meet consumer demands. This feature is convenient however it can be risky if someone forgets to remove the key fob from their pocket before entering or leaving the vehicle. This is because smart key fobs emit a low-frequency signal that can be detected by a different device that can unlock the doors or open the trunk. This is a tactic known as relay attack, and has been used by thieves with a technological advantage to steal cars from drivers at fueling stations as well as parking spaces. The majority of smart key systems come with a backup system to start and open the vehicle in the event of the battery being dead. The driver must usually place the dead key in a slot or hold it in a specific area of the cockpit to trigger an emergency start system, which typically consists of an inductive coil which transfers energy from the key to the car. Safety The smart key has an inbuilt security feature that locks the vehicle after you leave. The smart key can shut down the vehicle and unlock the trunk when the keys are inside. This helps you avoid being locked out of your car an area that is not safe or when you are running the errands. key for smart car can communicate with vehicles through radiofrequency signals, unlike conventional keys. While it's vital to keep in mind that your vehicle isn't spying on you, the fact that the key fob sends these signals allows criminals to steal them and take control of the vehicle. Open Road Auto Group explains that traditional key fobs transmit the same frequency signal every time they unlock the door or remotely pop the trunk. This means that a criminal with a technologically advanced mind could be able to penetrate the system to take your vehicle. Smart car keys, however, put out a different encrypted signal each time they perform this function. This makes them much harder to crack, and even more difficult for thieves who are tech-savvy to gain access to. Certain vehicles allow you to start the car by walking right up to it, and pressing a button. These systems, in contrast to traditional models that require you to insert and turn the keys they are powered by key fob batteries. The key fob will send an indication to the car's radio to signal it that you're close, and the vehicle will then open its power doors and start the engine.